[sei whale] n [part trans. of Norw seihval, fr. sei coalfish + hval whale] (1912): a common and widely distributed dark gray rorqual (Balaenoptera borealis) that has a ridge on the top of the head and grows to a length of nearly 60 feet (18 meters)--called also sei
SEI WHALE
Meaning of SEI WHALE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012